patches/kernel_patches/imx-3.14.28/0009-imx6-decrease-wilink8-sdio-pins-drive-strength.patch

   1 From ec3df7f1ef02ab78657fdc019d325a49fb89b4a7 Mon Sep 17 00:00:00 2001
   2 From: Eyal Reizer <eyalr@ti.com>
   3 Date: Thu, 11 Jun 2015 11:27:49 +0100
   4 Subject: [PATCH 09/10] imx6: decrease wilink8 sdio pins drive strength
   5
   6 The original drive strength value of 90 OHM was too strong causing
   7 detection issues of some modules on the sdio bus.
   8 Reducing the io strength to 50 OHM solves this issue
   9
  10 Signed-off-by: Eyal Reizer <eyalr@ti.com>
  11 ---
  12  arch/arm/boot/dts/imx6qdl-sabresd.dtsi |   12 ++++++------
  13  arch/arm/boot/dts/imx6sl-evk.dts       |   12 ++++++------
  14  2 files changed, 12 insertions(+), 12 deletions(-)
  15
  16 diff --git a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
  17 index b9f60a4..c95f849 100644
  18 --- a/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
  19 +++ b/arch/arm/boot/dts/imx6qdl-sabresd.dtsi
  20 @@ -757,12 +757,12 @@
  21
  22                 pinctrl_usdhc2: usdhc2grp {
  23                         fsl,pins = <
  24 -                               MX6QDL_PAD_SD2_CMD__SD2_CMD             0x17059
  25 -                               MX6QDL_PAD_SD2_CLK__SD2_CLK             0x10059
  26 -                               MX6QDL_PAD_SD2_DAT0__SD2_DATA0          0x17059
  27 -                               MX6QDL_PAD_SD2_DAT1__SD2_DATA1          0x17059
  28 -                               MX6QDL_PAD_SD2_DAT2__SD2_DATA2          0x17059
  29 -                               MX6QDL_PAD_SD2_DAT3__SD2_DATA3          0x17059
  30 +                               MX6QDL_PAD_SD2_CMD__SD2_CMD             0x17069
  31 +                               MX6QDL_PAD_SD2_CLK__SD2_CLK             0x10069
  32 +                               MX6QDL_PAD_SD2_DAT0__SD2_DATA0          0x17069
  33 +                               MX6QDL_PAD_SD2_DAT1__SD2_DATA1          0x17069
  34 +                               MX6QDL_PAD_SD2_DAT2__SD2_DATA2          0x17069
  35 +                               MX6QDL_PAD_SD2_DAT3__SD2_DATA3          0x17069
  36                                 MX6QDL_PAD_NANDF_D4__SD2_DATA4          0x17059
  37                                 MX6QDL_PAD_NANDF_D5__SD2_DATA5          0x17059
  38                                 MX6QDL_PAD_NANDF_D6__SD2_DATA6          0x17059
  39 diff --git a/arch/arm/boot/dts/imx6sl-evk.dts b/arch/arm/boot/dts/imx6sl-evk.dts
  40 index 5c829c3..0b01cda 100644
  41 --- a/arch/arm/boot/dts/imx6sl-evk.dts
  42 +++ b/arch/arm/boot/dts/imx6sl-evk.dts
  43 @@ -773,12 +773,12 @@
  44
  45                 pinctrl_usdhc3: usdhc3grp {
  46                         fsl,pins = <
  47 -                               MX6SL_PAD_SD3_CMD__SD3_CMD              0x17059
  48 -                               MX6SL_PAD_SD3_CLK__SD3_CLK              0x10059
  49 -                               MX6SL_PAD_SD3_DAT0__SD3_DATA0           0x17059
  50 -                               MX6SL_PAD_SD3_DAT1__SD3_DATA1           0x17059
  51 -                               MX6SL_PAD_SD3_DAT2__SD3_DATA2           0x17059
  52 -                               MX6SL_PAD_SD3_DAT3__SD3_DATA3           0x17059
  53 +                               MX6SL_PAD_SD3_CMD__SD3_CMD              0x17069
  54 +                               MX6SL_PAD_SD3_CLK__SD3_CLK              0x10069
  55 +                               MX6SL_PAD_SD3_DAT0__SD3_DATA0           0x17069
  56 +                               MX6SL_PAD_SD3_DAT1__SD3_DATA1           0x17069
  57 +                               MX6SL_PAD_SD3_DAT2__SD3_DATA2           0x17069
  58 +                               MX6SL_PAD_SD3_DAT3__SD3_DATA3           0x17069
  59                                 MX6SL_PAD_SD1_DAT2__GPIO5_IO13  0x13059   // reserve two pins from sd1 for wl8 gpio, this is pulled low at reset for WL_EN
  60                                 MX6SL_PAD_SD1_DAT1__GPIO5_IO08  0x13059   // this is for wl_irq which driver will configure as an input with a pull down
  61                         >;
  62 --
  63 1.7.9.5
  64